• NEW after market 85mm, stock bore cylinder
• Wiseco or Wossner forged piston**
• Nitrite coated piston rings
• Chrome wristpin
• Circlips
• Hotrods or Wiseco crankshaft with rod**
• Crank bearings
• Transmission bearings
• Talon Titanium head stud kit
• Complete gasket kit - head base intake exhaust case covers pump covers orings
• Complete crankcase oil seal kit
• HD cam chain conversion
• Clutch kit
• Runs on pump or race gas
• 1 year warranty*
• Compatible with all '99-04 Honda 400EX models

Please check your order thoroughly when receiving it.  If for any reason at all you are not 100% happy please contact us right away so we can help resolve the issue.  If you no longer want/need the parts you receive you are welcome to return it UNOPENED NEVER INSTALLED COMPLETE (NOTHING MISSING) AND BRAND NEW IN THE ORIGINAL PACKAGING for a FULL REFUND! *If we receive your order back incomplete, packaging ripped open and/or parts missing we will have to deduct our loss from your refund.

*This item is not DIY, and we recommend that this kit be installed by a qualified, experienced mechanic.  Warranty does not cover any failure that is a result of  improper installation, improper tuning, improper break in, or misuse.  Piston comes with specific instructions for setting the ring gap.  If you do not follow these exactly your motor will fail.  For any warranty to be considered the part(s) in question must first be sent to us and possibly the manufacturer for inspection, no exceptions.  We can not warranty parts based on photos, phone calls, emails, what you read online, or what another mechanic says the issue is alone.